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ICD-10 Coding for Achilles Tendinitis(M76.6, M65.271)

Complete ICD-10-CM coding and documentation guide for Achilles Tendinitis. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Achilles TendonitisAchilles Tendon Inflammation

Related ICD-10 Code Ranges

Complete code families applicable to Achilles Tendinitis

M76-M77Primary Range

Soft tissue disorders related to use, overuse and pressure

This range includes codes for tendinitis and related soft tissue disorders, specifically covering Achilles tendinitis.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
M76.6Achilles tendinitisUse this code for non-calcific Achilles tendinitis with typical symptoms and clinical findings.
  • Pain located 2-6 cm proximal to the Achilles insertion
  • Morning stiffness lasting more than 30 minutes
  • Positive Royal London Hospital Test
M65.271Calcific tendinitis of right shoulderUse this code when calcification is confirmed by imaging.
  • Radiographic confirmation of calcium deposits in the tendon

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for Achilles tendinitis

Essential facts and insights about Achilles Tendinitis

The ICD-10 code for Achilles tendinitis is M76.6 for non-calcific cases and M65.271 for calcific cases.

Primary ICD-10-CM Codes for achilles tendinitis

Achilles tendinitis
Non-billable Code

Decision Criteria

clinical Criteria

  • Presence of pain 2-6 cm above heel, morning stiffness, and positive Royal London Hospital Test

Applicable To

  • Achilles tendon inflammation
  • Non-calcific Achilles tendinitis

Excludes

  • Achilles tendon rupture (S86.0-)

Clinical Validation Requirements

  • Pain located 2-6 cm proximal to the Achilles insertion
  • Morning stiffness lasting more than 30 minutes
  • Positive Royal London Hospital Test

Code-Specific Risks

  • Confusing with calcific tendinitis if calcification is not documented

Coding Notes

  • Ensure documentation specifies laterality and absence of calcification.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Resistance to penicillins

Z16.21
Use when there is an infection confirmed by culture, such as 'Staphylococcus aureus identified via ultrasound-guided aspiration'.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Strain of Achilles tendon

S86.4-
Use for acute traumatic injury with a clear mechanism of injury, such as a 'pop' during activity.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Achilles Tendinitis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code M76.6.

Impact

Clinical: Leads to ambiguity in treatment planning., Regulatory: Non-compliance with coding guidelines., Financial: Potential claim denials due to incomplete coding.

Mitigation Strategy

Always specify left or right in documentation.

Impact

Reimbursement: Incorrect coding can lead to denied claims or incorrect reimbursement., Compliance: Using incorrect codes can result in compliance issues during audits., Data Quality: Misclassification affects the accuracy of clinical data.

Mitigation Strategy

Ensure imaging confirms calcification before using M65.271.

Impact

Coding calcific tendinitis without radiographic evidence increases audit risk.

Mitigation Strategy

Ensure all cases of calcific tendinitis are supported by imaging documentation.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Achilles Tendinitis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Achilles Tendinitis

Use these documentation templates to ensure complete and accurate documentation for Achilles Tendinitis. These templates include all required elements for proper coding and billing.

Chronic Achilles Tendinitis with Calcification

Specialty: Orthopedics

Required Elements

  • Pain location and severity
  • Functional limitations
  • Imaging results
  • Objective test findings

Example Documentation

Patient reports 6/10 pain 4 cm above R heel, worsening during running. Morning stiffness lasts 45 minutes. Tender to palpation mid-Achilles, painful arc sign (+), 3/5 single-leg heel raises. MRI shows fusiform thickening (8mm) without full-thickness tear.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Achilles pain, recommend PT.
Good Documentation Example
Localized tenderness 5 cm above L heel, VISA-A=42/100, MRI demonstrates 7mm tendon thickening without tear (M76.62).
Explanation
The good example provides specific location, functional impact, and imaging findings, which are necessary for accurate coding and treatment planning.

Need help with ICD-10 coding for Achilles Tendinitis? Ask your questions below.

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